MC14051BDTR2G

@@ -0,0 +1,58 @@+# MC14051BDTR2G++**onsemi** · Analog Switches, Multiplexers · TSSOP-16++MC14051BDTR2G from onsemi, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | X4 | bidirectional | Analog switch I/O channel 4. Connected to common X (pin 3) when select code C=1, B=0, A=0 and INH=0. Signal range VEE to VDD. |+| 2 | X6 | bidirectional | Analog switch I/O channel 6. Connected to common X (pin 3) when select code C=1, B=1, A=0 and INH=0. Signal range VEE to VDD. |+| 3 | X | bidirectional | Common analog I/O for the 8:1 multiplexer/demultiplexer. Routed to one of X0..X7 by the ABC select code when INH=0; high-impedance when INH=1. |+| 4 | X7 | bidirectional | Analog switch I/O channel 7. Connected to common X (pin 3) when select code C=1, B=1, A=1 and INH=0. Signal range VEE to VDD. |+| 5 | X5 | bidirectional | Analog switch I/O channel 5. Connected to common X (pin 3) when select code C=1, B=0, A=1 and INH=0. Signal range VEE to VDD. |+| 6 | INH | input | Inhibit (active-high). When INH=1, all eight channels are turned off (common X is high-impedance to all Xn). Referenced to VSS; VIL max 4.5 V and VIH min 5.5 V at VDD=10 V. |+| 7 | VEE | power_in | Negative analog supply rail. Sets the lower bound of the analog signal range on X and X0..X7. Must satisfy VEE ≤ VSS; VDD − VEE range 3.0 to 18 V. |+| 8 | VSS | power_in | Digital ground / logic reference for control inputs (INH, A, B, C). Typically tied to system ground; must be ≥ VEE. |+| 9 | C | input | Binary select input C (MSB of the 3-bit channel address). Combined with B and A selects which of X0..X7 connects to X. Referenced to VSS. |+| 10 | B | input | Binary select input B (middle bit of the 3-bit channel address). Referenced to VSS. |+| 11 | A | input | Binary select input A (LSB of the 3-bit channel address). Referenced to VSS. |+| 12 | X3 | bidirectional | Analog switch I/O channel 3. Connected to common X (pin 3) when select code C=0, B=1, A=1 and INH=0. |+| 13 | X0 | bidirectional | Analog switch I/O channel 0. Connected to common X (pin 3) when select code C=0, B=0, A=0 and INH=0. |+| 14 | X1 | bidirectional | Analog switch I/O channel 1. Connected to common X (pin 3) when select code C=0, B=0, A=1 and INH=0. |+| 15 | X2 | bidirectional | Analog switch I/O channel 2. Connected to common X (pin 3) when select code C=0, B=1, A=0 and INH=0. |+| 16 | VDD | power_in | Positive supply rail for the digital control section and level converter. 3.0 to 18 V referenced to VSS; also sets the upper bound of the analog signal range on the switch pins. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | onsemi |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++- `MC14051BDTR2GDTR2G`+- `MC14051BDTR2GDTG`+- `MC14051BDTR2GDR2G`+- `MC14051BDTR2GDG`++## CAD (KiCad official)++- Symbol: `MC14051BDTR2G`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/mc14051bdtr2-d.pdf) (11 pp, sha256 `b980ba9c7a734408`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/mc14051bdtr2g-datasheet.pdf)

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